This file contains classes that are used by the Cache API only when it is disabled. These classes are derivatives of other significant classes used by the Cache API customised specifically to only do what is absolutely necessary when initialising and using the Cache API when its been disabled.

The supplementary cache API. This file is part of Moodle's cache API, affectionately called MUC. It contains elements of the API that are not required in order to use caching. Things in here are more in line with administration and management of the cache setup and configuration.